afflux

Etymology
, . See.

Noun

 * 1) An upward rush of fluid.
 * 2) * 1874 January 9, "Chemical News from Foreign Sources," Chemical News, page 26, of waterspouts:
 * The vis viva of these affluxes is employed almost wholly in turning the mass of intermediate gas
 * 1)  The rise in water level (above normal) on the upstream side of a bridge or obstruction caused when the effective flow area at the obstruction is less than the natural width of the stream immediately upstream of the obstruction.

Etymology
From,.

Noun

 * 1)  influx (inward flow)
 * 2)  afflux